Unable to access content: "This Challenge or Flashcard is locked."

Issue Symptoms

Player attempts to access a Challenge or Flashcard results in the following error. 

This Challenge or Flashcard is locked. Please click on the button below 
to return to "[Topic Name]".

Conditions

• User is a Player
• User attempts to access a locked Challenge or Flashcard via a direct link. 

Resolution

This Challenge or Flashcard has been set up by the Admin in such a way that you need to complete another Challenge in the same Topic in order to unlock it. Simply click on  to return to the Topic page, search for and complete the specific Challenge to unlock this Challenge or Flashcard.